KB80562
Published: April 15, 2009
Revision: 3.0

Possible negative RMS readings from SNAP-AIPM


Applies To:

SNAP-AIPM

Versions Affected:

Problem was discovered in version: Modules manufactured March 2009
(Build code: JIXXXXXAC) and before
Problem is fixed in version: Modules manufactured April 2009
(Build code: JIXXXXXAE) and after

Resolved In Version:

Problem is fixed in version: Modules manufactured April 2009
(Build code: JIXXXXXAE) and after


Symptoms:

The SNAP-AIPM module incorrectly reports negative VRMS, or negative IRMS values. If you are seeing these negative readings, then you will also see from PAC Manager (Tools→Inspect, Status Read), that the Times Discovered value for the module is greater than 0.


Resolution:

Opto 22 has resolved this issue. If you suspect you have a module with this problem, contact Opto 22 Product Support to discuss the issue. If it's determined the module has the described bug, you'll be given an RMA to send the module in for repair.


Questions?

Contact: Opto 22 Product Support.
Phone: 800-835-6786 or 951-695-3080
Email: support@opto22.com


DISCLAIMER

This Opto 22 Knowledge Base ('OptoKB') article is intended to provide general technical information on a particular subject or subjects and is not an exhaustive treatment of such subjects. Accordingly, the information in this OptoKB article is not intended to constitute application, design, software, or other professional engineering advice or services. Opto 22 may modify the OptoKB articles at any time. Before making any decision or taking any action which might affect your equipment, you should consult a qualified professional.

OPTO 22 DOES NOT WARRANT THE COMPLETENESS, TIMELINESS, OR ACCURACY OF THE DATA CONTAINED IN THIS OPTOKB ARTICLE AND MAY MAKE CHANGES THERETO AT ANY TIME AT ITS SOLE DISCRETION WITHOUT NOTICE. FURTHER, ALL INFORMATION CONVEYED HEREBY IS PROVIDED TO USERS 'AS IS.' IN NO EVENT SHALL OPTO 22 BE LIABLE FOR ANY DAMAGES OF ANY KIND INCLUDING DIRECT, INDIRECT INCIDENTAL, CONSEQUENTIAL, LOSS PROFIT, OR DAMAGE, EVEN IF OPTO 22 HAS BEEN ADVISED ON THE POSSIBILITY OF SUCH DAMAGES.

OPTO 22 DISCLAIMS ALL WARRANTIES WHETHER EXPRESSED OR IMPLIED WITH RESPECT TO THE INFORMATION (INCLUDING HARDWARE, SOFTWARE, AND/OR FIRMWARE) PROVIDED HEREBY, INCLUDING THE IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTIBILITY, AND NON-INFRINGEMENT. Note that certain jurisdictions do not sanction the exclusion of implied warranties: thus, this disclaimer may not apply to you.

Copyright © 2024 Opto 22. All rights reserved.